243044232420242 has 96 divisors (see below), whose sum is σ = 420427490999040. Its totient is φ = 105150539894400.

The previous prime is 243044232420167. The next prime is 243044232420377. The reversal of 243044232420242 is 242024232440342.

It is a super-2 number, since 2×243044232420242² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243044232420196 and 243044232420205.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5208476603 + ... + 5208523265.

It is an arithmetic number, because the mean of its divisors is an integer number (4379453031240).

Almost surely, 2^{243044232420242} is an apocalyptic number.

243044232420242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243044232420242 is a deficient number, since it is larger than the sum of its proper divisors (177383258578798).

243044232420242 is a wasteful number, since it uses less digits than its factorization.

243044232420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57240 (or 57229 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 243044232420242 its reverse (242024232440342), we get a palindrome (485068464860584).

The spelling of 243044232420242 in words is "two hundred forty-three trillion, forty-four billion, two hundred thirty-two million, four hundred twenty thousand, two hundred forty-two".